*SUPPORT*
IN: wif wif OUT: PINK PINK
IN: wif OUT: PINK
IN: dax dax kiki dax OUT: BLUE BLUE BLUE
IN: dax OUT: BLUE
IN: dax blicket dax gazzer zup kiki zup OUT: BLUE BLUE RED RED RED RED
IN: lug blicket wif kiki lug OUT: GREEN PINK GREEN
IN: wif blicket lug OUT: PINK GREEN
IN: lug kiki dax OUT: GREEN BLUE
IN: zup kiki lug gazzer dax kiki zup OUT: RED GREEN BLUE RED BLUE RED
IN: zup kiki zup gazzer lug kiki zup OUT: RED RED GREEN RED GREEN RED
IN: dax dax OUT: BLUE BLUE
IN: wif kiki zup OUT: PINK RED
IN: wif kiki zup gazzer lug OUT: PINK RED GREEN GREEN
IN: dax zup gazzer zup kiki wif OUT: BLUE RED RED PINK RED PINK

*QUERY*
IN: dax kiki lug OUT: BLUE GREEN
IN: zup wif kiki dax OUT: RED PINK BLUE
IN: lug zup blicket zup kiki wif OUT: GREEN RED RED PINK
IN: wif kiki dax OUT: PINK BLUE
IN: zup kiki zup OUT: RED RED
IN: dax wif lug kiki dax OUT: BLUE PINK GREEN BLUE
IN: wif kiki wif OUT: PINK PINK
IN: zup kiki wif OUT: RED PINK
IN: wif zup dax kiki zup blicket wif OUT: PINK RED BLUE RED PINK
IN: dax kiki dax OUT: BLUE BLUE

*GRAMMAR*
wif -> PINK 
 zup -> RED 
 lug -> GREEN 
 dax -> BLUE 
 u1 kiki u2 -> [u1] [u2] 
 x1 gazzer x2 -> [x1] [x2] [x2] 
 x1 blicket x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 